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Written for beginning Linux and Unix system administrators who want to be in full command of their systems, this guide offers complete coverage of the bash shell programming language as it helps users master bash 4.0 features.

The bash shell is a complete programming language, not merely a glue to combine external Linux commands. By taking full advantage of shell internals, shell programs can perform as snappily as utilities written in C or other compiled languages. And you will see how, without assuming Unix lore, you can write professional bash 4.0 programs through standard programming techniques.